#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
合同管理 Schema 定义
"""
from datetime import datetime
from typing import Any, Dict, Optional

from pydantic import BaseModel, Field, ConfigDict

from app.base_schema import CSTDatetime


# ============ 合同模板 Schema ============

class ContractTemplateCreate(BaseModel):
    """创建合同模板"""
    name: str = Field(..., max_length=100, description="模板名称")
    code: str = Field(..., max_length=100, description="模板编码")
    category: str = Field(default="", max_length=50, description="分类")
    description: str = Field(default="", description="描述")
    template_config: Dict[str, Any] = Field(default_factory=dict, description="模板配置")


class ContractTemplateUpdate(BaseModel):
    """更新合同模板"""
    name: Optional[str] = Field(None, max_length=100, description="模板名称")
    category: Optional[str] = Field(None, max_length=50, description="分类")
    description: Optional[str] = Field(None, description="描述")
    template_config: Optional[Dict[str, Any]] = Field(None, description="模板配置")
    thumbnail: Optional[str] = Field(None, description="缩略图")


class ContractTemplateOut(BaseModel):
    """合同模板输出"""
    id: str
    name: str
    code: str
    category: str
    description: str
    status: str
    version: int
    template_config: Dict[str, Any]
    thumbnail: str
    sys_create_datetime: CSTDatetime
    sys_update_datetime: CSTDatetime

    model_config = ConfigDict(from_attributes=True)


class ContractTemplateListItem(BaseModel):
    """合同模板列表项"""
    id: str
    name: str
    code: str
    category: str
    description: str
    status: str
    version: int
    thumbnail: str
    sys_create_datetime: CSTDatetime
    sys_update_datetime: CSTDatetime

    model_config = ConfigDict(from_attributes=True)


# ============ 合同实例 Schema ============

class ContractInstanceCreate(BaseModel):
    """创建合同实例"""
    template_id: str = Field(..., description="模板ID")
    title: str = Field(..., max_length=200, description="合同标题")
    contract_no: Optional[str] = Field(None, max_length=50, description="合同编号（可选，不填则自动生成）")
    variable_data: Dict[str, Any] = Field(default_factory=dict, description="变量数据")


class ContractInstanceUpdate(BaseModel):
    """更新合同实例"""
    title: Optional[str] = Field(None, max_length=200, description="合同标题")
    variable_data: Optional[Dict[str, Any]] = Field(None, description="变量数据")
    signature_data: Optional[Dict[str, Any]] = Field(None, description="签署数据")


class ContractInstanceOut(BaseModel):
    """合同实例输出"""
    id: str
    contract_no: str
    title: str
    status: str
    template_id: str
    contract_config: Dict[str, Any]
    variable_data: Dict[str, Any]
    signature_data: Dict[str, Any]
    created_at: Optional[CSTDatetime] = None
    completed_at: Optional[CSTDatetime] = None
    expired_at: Optional[CSTDatetime] = None
    pdf_file: str

    # 关联字段
    template_name: str = ""
    template_code: str = ""
    creator_id: str = ""
    creator_name: str = ""

    model_config = ConfigDict(from_attributes=True)


class ContractInstanceListItem(BaseModel):
    """合同实例列表项"""
    id: str
    contract_no: str
    title: str
    status: str
    created_at: Optional[CSTDatetime] = None
    completed_at: Optional[CSTDatetime] = None

    # 关联字段
    template_name: str = ""
    creator_name: str = ""

    model_config = ConfigDict(from_attributes=True)


# ============ 签署记录 Schema ============

class ContractSignatureCreate(BaseModel):
    """创建签署记录"""
    element_id: str = Field(..., description="元素ID")
    signature_image: str = Field(..., description="签名图片(base64)")
    signer_name: str = Field(default="", description="签署人姓名")


class ContractSignatureOut(BaseModel):
    """签署记录输出"""
    id: str
    element_id: str
    party_type: str
    party_label: str
    sign_type: str
    signer_id: Optional[str] = None
    signer_name: str
    signature_image: str
    status: str
    signed_at: Optional[CSTDatetime] = None

    model_config = ConfigDict(from_attributes=True)


# ============ 操作日志 Schema ============

class ContractLogOut(BaseModel):
    """操作日志输出"""
    id: str
    action: str
    operator_id: str
    comment: str
    sys_create_datetime: CSTDatetime

    # 关联字段
    operator_name: str = ""

    model_config = ConfigDict(from_attributes=True)


# ============ 手机签署 Schema ============

class MobileSignTokenCreate(BaseModel):
    """创建手机签署令牌"""
    party_type: str = Field(default="party_a", description="签署方类型")
    signer_name: str = Field(default="", description="签署人姓名")
    expire_minutes: int = Field(default=30, description="有效期(分钟)")


class MobileSignTokenOut(BaseModel):
    """手机签署令牌输出"""
    token: str
    sign_url: str
    expired_at: CSTDatetime
    qrcode_data: str  # 二维码内容


class MobileContractInfo(BaseModel):
    """移动端合同信息（简化版）"""
    id: str
    contract_no: str
    title: str
    status: str
    contract_config: Dict[str, Any]
    variable_data: Dict[str, Any]
    signature_data: Dict[str, Any]
    party_type: str = ""
    signer_name: str = ""
    template_name: str = ""


class MobileSignRequest(BaseModel):
    """移动端签署请求"""
    element_id: str = Field(..., description="元素ID")
    signature_image: str = Field(..., description="签名图片(base64)")
    signer_name: str = Field(default="", description="签署人姓名")


# ============ 通用响应 ============

class MessageResponse(BaseModel):
    """消息响应"""
    message: str


class CountResponse(BaseModel):
    """计数响应"""
    count: int